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Mercury was used to recover gold at Clunes, Victoria (above). Crystals were found in the mercury; this from The Gold Fields and Mineral Districts of Victoria, by Robert Brough Smyth, 1869 -
...crystal we have noticed was the size of a pea. The crystals would no doubt increase in size if left for a longer period."
Some of these crystals were exhibited in the Intercolonial Exhibition. Mr George F Ulrich, the mineralogist, obtained some for analysis. This from Intercolonial Exhibition of Australasia, Melbourne 1866-67 Official Record -
The Au Hg amalgam appears to have some unusual properties when heated. This from The Analytical Review, Volume 22, By Thomas Christie, 1795 -
The next article in The Analytical Review, although having absolutely nothing to do with gold amalgams, is of some interest -
This from The Metallurgy of Gold, by T Kirke Rose, 1898 -
Here's a link to modern day experimentation - Au + Hg Amalgamation
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Unrelated to this post, below is an example of
eclectic science esoterica
No longer jumping
Salticidae in copal from Madagascar. Size of specimen 3.2 mm
by Didier Descouens
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